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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

Diodes Incorporated B3100Q-13-F

Name: B3100Q-13-F
Brand: Diodes Incorporated
SKU: B3100Q-13-F
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: B3100Q-13-F

Manufacturer:: Diodes Incorporated

Category:: Single Diodes

Package:: DO-214AB, SMC

Datasheet:: B3100Q-13-F.pdf

Description:: DIODE SCHOTTKY 100V 3A SMC

Quantity:: RFQ Add To RFQ list

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Inventory:1,869

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Product details

Overview

B3100Q-13-F from Diodes Incorporated is a 100 V, 3.0 A high-voltage Schottky barrier rectifier in SMC package, featuring 0.79 V max forward voltage at 3.0 A and 0.5 mA max reverse leakage at rated VR and +25°C. It delivers low power loss and high efficiency for polarity protection, freewheeling, and switching applications in low-voltage, high-frequency inverters.

For engineers reviewing the B3100Q-13-F datasheet, B3100Q-13-F pinout, B3100Q-13-F application, or B3100Q-13-F equivalent, key selection criteria include peak repetitive reverse voltage (100 V), average rectified output current (3.0 A), thermal resistance junction-to-case (24 °C/W), surge rating (100 A peak), and AEC-Q101 qualification for automotive use.

Technical Context

This Schottky rectifier uses guard ring die construction to enhance transient protection and withstand repetitive voltage surges. Its low VF and low IR support high-efficiency operation in continuous conduction mode DC/DC stages and reverse-polarity protection circuits.

Designed for operation from –55°C to +150°C, it maintains stable leakage performance up to 20 mA at +100°C and rated VR, with total capacitance of 100 pF at 4 V reverse bias and 1 MHz - enabling suitability in high-frequency switching topologies.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	100 V - blocks up to 100 V repetitive reverse voltage without breakdown
I_O	3.0 A - continuous average forward current at T_T = +90°C
V_F max	0.79 V @ 3.0 A, +25°C - low conduction loss enabling high-efficiency power conversion
I_R max	0.5 mA @ 100 V, +25°C - minimal reverse leakage preserves system standby power integrity
I_FSM	100 A peak (8.3 ms half-sine) - handles inrush and fault currents without failure
R_θJC	24 °C/W - enables effective heat transfer from junction to case in compact layouts
AEC-Q101	Qualified - meets stress test requirements for automotive under-hood applications

Pinout & Package

Package: SMC (DO-214AB), molded plastic, RoHS-compliant, halogen- and antimony-free "Green" compound; UL 94V-0 rated; cathode indicated by band.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry point	Connected to input/source side in rectification or polarity protection
Cathode	Forward current exit point	Connected to load/ground side; marked with band for orientation

Key Features

Feature	Design Value
Guard ring die construction	Improves ruggedness against voltage transients and ESD events in industrial environments
100 A non-repetitive surge rating	Supports reliable operation during motor startup, capacitor charging, or short-circuit recovery
Low 0.79 V forward drop at 3.0 A	Reduces conduction losses by ~30% vs. comparable silicon rectifiers, lowering thermal load
AEC-Q101 qualification	Validates reliability for automotive body electronics, infotainment power supplies, and ADAS subsystems
Moisture sensitivity level 1	Eliminates need for baking prior to reflow, simplifying SMT assembly in high-volume production

Applications

Automotive Body Control Module (BCM)

Industrial DC/DC Converter Output Stage

Use Scenario: Reverse-polarity protection on 12 V battery-fed microcontroller power rails.

IC Role / Device Role / Timing Role: Unidirectional current path enforcing correct supply polarity before downstream LDOs or PMICs.

Use Value: Prevents catastrophic damage from accidental battery reversal; leverages 100 V V_RRM headroom for load-dump transients.

Use Scenario: Freewheeling diode in synchronous buck converter output stage operating at 200 kHz.

IC Role / Device Role / Timing Role: Provides low-loss current recirculation path during high-side MOSFET off-time.

Use Value: Minimizes conduction loss with 0.79 V V_F, improving efficiency over silicon alternatives and reducing heatsink requirements.

USB-C Power Delivery Adapter

Smart Home Hub Power Input Protection

Use Scenario: Polarity protection at AC/DC adapter secondary side feeding USB-PD controller IC.

IC Role / Device Role / Timing Role: Blocks reverse current flow while maintaining low forward drop for minimal voltage loss.

Use Value: Enables compact design via SMC footprint and supports 3.0 A continuous load with <0.5 mA leakage at standby.

Use Scenario: Input rectification and reverse-battery protection in battery-backed smart speaker power management.

IC Role / Device Role / Timing Role: Dual-role device serving as both bridge rectifier and polarity safeguard in hybrid AC/DC + battery system.

Use Value: Single-component solution reduces BOM count; AEC-Q101 qualification ensures long-term reliability in consumer-grade temperature cycling.

Equivalent & Alternatives

The following parts are listed as comparable options for similar Schottky rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SB3100-E3/52 (Vishay)	Same 100 V V_RRM, 3.0 A I_O, but VF = 0.85 V max @ 3.0 A; SMC package	Slightly higher conduction loss; no AEC-Q101 qualification	Select when automotive qualification is not required and cost is prioritized over thermal margin
SS310H (ON Semiconductor)	100 V V_RRM, 3.0 A I_O, VF = 0.75 V typ @ 3.0 A, but IR = 1.0 mA max @ 25°C	Lower typical VF but higher leakage; not AEC-Q101 qualified	Prefer for ultra-low-loss designs where leakage tolerance >0.5 mA and automotive compliance is optional

Compared with SB3100-E3/52 and SS310H, B3100Q-13-F uniquely combines AEC-Q101 qualification, 0.5 mA max IR at 25°C, and guard ring protection - making it the only option validated for automotive-grade polarity protection with tight leakage constraints.

Availability

B3100Q-13-F is available at Aetrix Electronics and suitable for automotive body control modules, industrial DC/DC converters, and USB-C power delivery adapters requiring stable component supply, long-lifecycle assurance, and AEC-Q101 compliance.

Supply support for B3100Q-13-F includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability power management, signal integrity, and protection solutions.

The B3100Q-13-F belongs to Diodes' high-voltage Schottky rectifier product line, engineered for robustness in automotive and industrial power conversion where low VF, low IR, and transient resilience are critical.

FAQ

What is the maximum junction temperature for B3100Q-13-F?

The B3100Q-13-F has an operating junction temperature range of –55°C to +150°C. This wide range supports deployment in under-hood automotive environments and thermally constrained industrial enclosures. Thermal derating begins above +90°C case temperature, per Figure 4 in DS38667 Rev. 4–2.

Is B3100Q-13-F compatible with lead-free reflow processes?

Yes - B3100Q-13-F features matte tin-plated terminals and complies with J-STD-020 moisture sensitivity Level 1. It is fully compatible with standard Pb-free reflow profiles (peak ≤260°C), with no pre-bake required due to its low moisture absorption.

Does B3100Q-13-F require a heatsink in 3.0 A continuous operation?

At 3.0 A and +25°C ambient, junction temperature rise is ~186°C (R_θJA = 62°C/W × P_D ≈ 62 × 2.37 W), exceeding 150°C. A heatsink or PCB copper pour is required. With proper 2 oz copper pad (0.2"×0.25"), R_θJA drops significantly - refer to Note 5 in DS38667 for layout guidance.

How does the guard ring construction improve reliability?

The guard ring die structure suppresses edge breakdown under high electric field stress, increasing ruggedness against repetitive transients and ESD events. In practice, this extends operational life in noisy automotive and industrial power rails where voltage spikes exceed nominal ratings.

B3100Q-13-F Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: DO-214AB, SMC

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Schottky

Voltage - DC Reverse (Vr) (Max):: 100 V

Current - Average Rectified (Io):: 3A

Voltage - Forward (Vf) (Max) @ If:: 790 mV @ 3 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 500 µA @ 100 V

Capacitance @ Vr, F:: 100pF @ 4V, 1MHz

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SMC

Operating Temperature - Junction:: -55°C ~ 125°C

B3100Q-13-F FAQ

1.How can I place an order for B3100Q-13-F through Aetrix?

Please submit a Request for Quotation (RFQ) for B3100Q-13-F on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for B3100Q-13-F reliable?

The price and inventory of B3100Q-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for B3100Q-13-F is usually 5 days.

3.What payment methods are accepted for B3100Q-13-F?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for B3100Q-13-F transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for B3100Q-13-F?

B3100Q-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your B3100Q-13-F order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for B3100Q-13-F?

For technical support, including B3100Q-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your B3100Q-13-F requirements.

6.How does Aetrix verify that B3100Q-13-F is sourced from the original manufacturer or authorized distributors?

All B3100Q-13-F products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that B3100Q-13-F meets industry standards.

7.What is the process for return or replacement of B3100Q-13-F?

All B3100Q-13-F units undergo pre-shipment inspection (PSI). If there is an issue with B3100Q-13-F, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The B3100Q-13-F part is unused and in its original packaging.

Return procedure for B3100Q-13-F:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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